Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
For the following relation schema and set of FD's:R(A,B,C,D) with FD's B → C and B → D, do the following:
(a) Point out all the BCNF violations. Do not forget to suppose FD's that are not in given set, but follow from them. Though, it is not essential to give violations which have more than one attribute on right side.
(b) Decompose the relation, as essential, into collection of relations which are in BCNF.
First, specify the foreign keys for this schema, stating any assumptions you make. Next, populate the relations with a few example tuples.
Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.
Design a database for Ray. For each director, list his or her number and name and the year he or she was born. If the director is deceased, list the year of death.
Explain how you would follow three phases of traditional database design method (Hierarchical, Network, and Relational), considering the following scenario.
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
Over 70% of web applications use database to store persistent data. Write some of the problems and issues associated with internet databases?
Create the database using three tables: one for student information, one for advisor information, and one for department information.
ER diagram for the Baxter Aviation database
supplies % of votes each candidate is likely to receive, based on popularity rating. Actual number of votes received is that percentage of General votes. You should enter data for each candidate in each of the eight constituencies.
Assume you manage business activity which needs a new IS with a database. The development team is divided on which DBMS you must use. One faction wishes to use oracle,a second wants to use MtSQL, and a third wants to use SQL server.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd